NPPES file of Aug 9, 2026

Catherine Haar Watson

Gynecologic Oncology Physician · Charleston, SC

Catherine Haar Watson is a gynecologic oncology physician with a practice address in Charleston, South Carolina, and NPI 1235549908, issued on May 5, 2014. Check the license (South Carolina 91736, as entered in NPPES) on the South Carolina Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1235549908
Name
Catherine Haar Watson
Primary taxonomy
Gynecologic Oncology Physician 207VX0201X
License numbers
91736 SC
63242 TN
Self-reported in NPPES; status is on the state search
Practice location
1470 Tobias Gadson Blvd Ste 110, Charleston, SC 29407
Phone
(843) 402-1301
Enumerated
May 5, 2014
Record last updated
May 29, 2024
Fax
(843) 402-1302
Medicare enrollment
Enrolled (PECOS I20240612000042); accepts Medicare assignment
Medical or professional school
Medical University Of South Carolina College Of Medicine, 2014
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1470 Tobias Gadson Blvd Ste 110

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Courtney BaileyGynecologic Oncology Physician1992116834
  2. Thomas Jennings, MDGynecologic Oncology Physician1316942857
  3. Caitlin Reveal, PA-CPhysician Assistant1104607597
  4. Gerald Taylor, MDUrogynecology and Reconstructive Pelvic Surgery (Obstetrics & Gynecology) Physician1184649261

Verify Catherine Haar Watson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Carolina Board of Medical Examiners
    Search for license 91736
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the South Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

32% more Medicare Part D claims than the average gynecologic oncology physician in 2024

257 Medicare Part D claims for 61 beneficiaries, against an average of 195 among the 1,475 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 33 claims were for opioids.

  1. Catherine Watson257
  2. Specialty average195

Most prescribed

  1. Dexamethasone46 claims
  2. Olanzapine29 claims
  3. Ondansetron Hcl26 claims
  4. Oxycodone Hcl20 claims
  5. Lynparza19 claims
  6. Prochlorperazine Maleate19 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 97.1 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score85.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $148.18

1 payment: food and beverage; the largest payer was Myriad Genetic Laboratories, Inc. The 1,199 providers of this specialty with any payment received $6,387.20 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine Watson$148.18
  2. Specialty average$6,387.20

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Roper Saint Francis Physicians NetworkCharleston, SC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Catherine Haar Watson among 20 gynecologic oncology physician records in South Carolina

Catherine Haar Watson is one of 20 gynecologic oncology physician records with a practice address in South Carolina. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 80% of them.

  • NPI issued2014 · 80% of these records are older, 10% newer
  • In a Medicare fileYes · 90% of these records are
  • In the CMS Doctors and Clinicians fileYes · 90% of these records are
  • Graduated2014 · median 2002 among the 18 with a school on file
  • Record last updated2024 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207VX0201X and a South Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gynecologic Oncology Physician providers in South Carolina

There are 20 gynecologic oncology physician records in South Carolina.

The 8 gynecologic oncology physician records with the nearest ZIP codes

  1. Courtney BaileyCharleston, SC 294071992116834
  2. Thomas Jennings, MDCharleston, SC 294071316942857
  3. Ward Katsanis, MDCharleston, SC 294071659377851
  4. Jonathan Foote, M.D.Charleston, SC 294251477781334
  5. Whitney Graybill, MDCharleston, SC 294251851550305
  6. David MysonaCharleston, SC 294251790274363
  7. Brian Orr, MDCharleston, SC 294251437478146
  8. James Hunter, M.D.Spartanburg, SC 293031437116548

Common questions

What is Catherine Haar Watson's NPI number?

Catherine Haar Watson's National Provider Identifier (NPI) is 1235549908, issued on May 5, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Catherine Haar Watson located?

The NPPES record lists a practice address at 1470 Tobias Gadson Blvd Ste 110, Charleston, SC, 29407. Phone: (843) 402-1301. Providers update this record themselves, so call before visiting.

How can I verify Catherine Haar Watson's license?

NPPES lists South Carolina license number 91736, as entered by the provider. Search the South Carolina Board of Medical Examiners at https://verify.llronline.com/LicLookup/Med/Med.aspx?div=22. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Catherine Haar Watson prescribe under Medicare Part D?

In 2024, Catherine Haar Watson had 257 Medicare Part D claims for 61 beneficiaries; the average among gynecologic oncology physician prescribers was 195. Part D covers Medicare prescriptions only.

What is Catherine Haar Watson's MIPS final score?

The 2023 MIPS final score is 97.1 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.